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发明名称
GARDE-CORPS DESTINE A EQUIPER LES OUVRAGES D'ART DES VOIES DE CIRCULATION ROUTIERE
摘要
申请公布号
FR2497848(B1)
申请公布日期
1990.08.17
申请号
FR19810001095
申请日期
1981.01.15
申请人
PICHON JOSEPH
发明人
分类号
E01D19/10;E01F13/02;E01F15/04;E04F11/18;F16B7/04;F16L3/04;(IPC1-7):E01F13/00
主分类号
E01D19/10
代理机构
代理人
主权项
地址
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